Luck, Tony wrote:
ia64 isn't all that homogeneous. SGI systems stuff *all* memory
into the DMA zone as their I/O devices have no 32-bit limits (just
as well really as there is no memory below 4G on an Altix!).
SGI machines support random PCI cards, right? If so, you cannot presume
I/O devices have no 32-bit limits.
Jeff
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